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Merge bitcoin/bitcoin#24464: logging: Add severity level to logs
e11cdc930375eaec8d737e116138b2f2018c099f logging: Add log severity level to net.cpp (klementtan) a8290649a6578df120a71c9493acdf071e010d96 logging: Add severity level to logs. (klementtan) Pull request description: **Overview**: This PR introduces a new macro, `LogPrintLevel`, that allows developers to add logs with the severity level. Additionally, it will also print the log category if it is specified. Sample log: ``` 2022-03-04T16:41:15Z [opencon] [net:debug] trying connection XX.XX.XXX.XXX:YYYYY lastseen=2.7hrs ``` **Motivation**: This feature was suggested in #20576 and I believe that it will bring the following benefits: * Allow for easier filtering of logs in `debug.log` * Can be extended to allow users to select the minimum level of logs they would like to view (not in the scope of this PR) **Details**: * New log format. `... [category:level]...`. ie: * Do not print category if `category == NONE` * Do not print level if `level == NONE` * If `category == NONE` and `level == NONE`, do not print any fields (current behaviour) * Previous logging functions: * `LogPrintf`: no changes in log as it calls `LogPrintf_` with `category = NONE` and `level = NONE` * `LogPrint`: prints additional `[category]` field as it calls `LogPrintf_` with `category = category` and `level = NONE` * `net.cpp`: As a proof of concept, updated logs with obvious severity (ie prefixed with `Warning/Error:..`) to use the new logging with severity. **Testing**: * Compiling and running `bitcoind` with this PR should instantly display logs with the category name (ie `net/tor/...`) * Grepping for `net:debug` in `debug.log` should display the updated logs with severity level: <details> <summary>Code</summary> ``` $ grep "net:debug" debug.log 2022-03-04T16:41:15Z [opencon] [net:debug] trying connection XXX:YYY lastseen=2.7hrs 2022-03-04T16:41:16Z [opencon] [net:debug] trying connection XXX:YYY lastseen=16.9hrs 2022-03-04T16:41:17Z [opencon] [net:debug] trying connection XXX:YYY lastseen=93.2hrs 2022-03-04T16:41:18Z [opencon] [net:debug] trying connection XXX:YYY lastseen=2.7hrs ``` </details> ACKs for top commit: laanwj: Code review and lightly tested ACK e11cdc930375eaec8d737e116138b2f2018c099f Tree-SHA512: 89a8c86667ccc0688e5acfdbd399aac1f5bec9f978a160e40b0210b0d9b8fdc338479583fc5bd2e2bc785821363f174f578d52136d228e8f638a20abbf0a568f
This commit is contained in:
laanwj
commit
90e49c1ece
109
src/logging.cpp
109
src/logging.cpp
@ -171,7 +171,7 @@ const CLogCategoryDesc LogCategories[] =
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bool GetLogCategory(BCLog::LogFlags& flag, const std::string& str)
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{
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if (str == "") {
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if (str.empty()) {
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flag = BCLog::ALL;
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return true;
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}
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@ -184,6 +184,91 @@ bool GetLogCategory(BCLog::LogFlags& flag, const std::string& str)
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return false;
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}
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std::string LogLevelToStr(BCLog::Level level)
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{
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switch (level) {
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case BCLog::Level::None:
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return "none";
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case BCLog::Level::Debug:
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return "debug";
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case BCLog::Level::Info:
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return "info";
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case BCLog::Level::Warning:
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return "warning";
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case BCLog::Level::Error:
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return "error";
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}
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assert(false);
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}
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std::string LogCategoryToStr(BCLog::LogFlags category)
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{
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// Each log category string representation should sync with LogCategories
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switch (category) {
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case BCLog::LogFlags::NONE:
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return "none";
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case BCLog::LogFlags::NET:
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return "net";
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case BCLog::LogFlags::TOR:
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return "tor";
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case BCLog::LogFlags::MEMPOOL:
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return "mempool";
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case BCLog::LogFlags::HTTP:
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return "http";
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case BCLog::LogFlags::BENCH:
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return "bench";
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case BCLog::LogFlags::ZMQ:
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return "zmq";
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case BCLog::LogFlags::WALLETDB:
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return "walletdb";
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case BCLog::LogFlags::RPC:
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return "rpc";
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case BCLog::LogFlags::ESTIMATEFEE:
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return "estimatefee";
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case BCLog::LogFlags::ADDRMAN:
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return "addrman";
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case BCLog::LogFlags::SELECTCOINS:
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return "selectcoins";
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case BCLog::LogFlags::REINDEX:
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return "reindex";
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case BCLog::LogFlags::CMPCTBLOCK:
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return "cmpctblock";
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case BCLog::LogFlags::RAND:
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return "rand";
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case BCLog::LogFlags::PRUNE:
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return "prune";
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case BCLog::LogFlags::PROXY:
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return "proxy";
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case BCLog::LogFlags::MEMPOOLREJ:
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return "mempoolrej";
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case BCLog::LogFlags::LIBEVENT:
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return "libevent";
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case BCLog::LogFlags::COINDB:
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return "coindb";
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case BCLog::LogFlags::QT:
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return "qt";
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case BCLog::LogFlags::LEVELDB:
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return "leveldb";
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case BCLog::LogFlags::VALIDATION:
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return "validation";
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case BCLog::LogFlags::I2P:
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return "i2p";
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case BCLog::LogFlags::IPC:
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return "ipc";
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#ifdef DEBUG_LOCKCONTENTION
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case BCLog::LogFlags::LOCK:
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return "lock";
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#endif
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case BCLog::LogFlags::UTIL:
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return "util";
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case BCLog::LogFlags::BLOCKSTORE:
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return "blockstorage";
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case BCLog::LogFlags::ALL:
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return "all";
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}
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assert(false);
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}
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std::vector<LogCategory> BCLog::Logger::LogCategoriesList() const
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{
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// Sort log categories by alphabetical order.
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@ -249,11 +334,31 @@ namespace BCLog {
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}
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} // namespace BCLog
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void BCLog::Logger::LogPrintStr(const std::string& str, const std::string& logging_function, const std::string& source_file, const int source_line)
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void BCLog::Logger::LogPrintStr(const std::string& str, const std::string& logging_function, const std::string& source_file, const int source_line, const BCLog::LogFlags category, const BCLog::Level level)
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{
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StdLockGuard scoped_lock(m_cs);
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std::string str_prefixed = LogEscapeMessage(str);
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if ((category != LogFlags::NONE || level != Level::None) && m_started_new_line) {
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std::string s{"["};
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if (category != LogFlags::NONE) {
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s += LogCategoryToStr(category);
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}
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if (category != LogFlags::NONE && level != Level::None) {
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// Only add separator if both flag and level are not NONE
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s += ":";
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}
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if (level != Level::None) {
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s += LogLevelToStr(level);
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}
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s += "] ";
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str_prefixed.insert(0, s);
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}
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if (m_log_sourcelocations && m_started_new_line) {
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str_prefixed.insert(0, "[" + RemovePrefix(source_file, "./") + ":" + ToString(source_line) + "] [" + logging_function + "] ");
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}
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@ -67,6 +67,13 @@ namespace BCLog {
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BLOCKSTORE = (1 << 26),
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ALL = ~(uint32_t)0,
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};
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enum class Level {
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Debug = 0,
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None = 1,
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Info = 2,
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Warning = 3,
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Error = 4,
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};
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class Logger
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{
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@ -105,7 +112,7 @@ namespace BCLog {
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std::atomic<bool> m_reopen_file{false};
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/** Send a string to the log output */
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void LogPrintStr(const std::string& str, const std::string& logging_function, const std::string& source_file, const int source_line);
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void LogPrintStr(const std::string& str, const std::string& logging_function, const std::string& source_file, const int source_line, const BCLog::LogFlags category, const BCLog::Level level);
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/** Returns whether logs will be written to any output */
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bool Enabled() const
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@ -173,7 +180,7 @@ bool GetLogCategory(BCLog::LogFlags& flag, const std::string& str);
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// peer can fill up a user's disk with debug.log entries.
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template <typename... Args>
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static inline void LogPrintf_(const std::string& logging_function, const std::string& source_file, const int source_line, const char* fmt, const Args&... args)
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static inline void LogPrintf_(const std::string& logging_function, const std::string& source_file, const int source_line, const BCLog::LogFlags flag, const BCLog::Level level, const char* fmt, const Args&... args)
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{
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if (LogInstance().Enabled()) {
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std::string log_msg;
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@ -183,19 +190,29 @@ static inline void LogPrintf_(const std::string& logging_function, const std::st
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/* Original format string will have newline so don't add one here */
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log_msg = "Error \"" + std::string(fmterr.what()) + "\" while formatting log message: " + fmt;
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}
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LogInstance().LogPrintStr(log_msg, logging_function, source_file, source_line);
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LogInstance().LogPrintStr(log_msg, logging_function, source_file, source_line, flag, level);
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}
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}
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#define LogPrintf(...) LogPrintf_(__func__, __FILE__, __LINE__, __VA_ARGS__)
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#define LogPrintLevel_(category, level, ...) LogPrintf_(__func__, __FILE__, __LINE__, category, level, __VA_ARGS__)
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#define LogPrintf(...) LogPrintLevel_(BCLog::LogFlags::NONE, BCLog::Level::None, __VA_ARGS__)
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// Use a macro instead of a function for conditional logging to prevent
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// evaluating arguments when logging for the category is not enabled.
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#define LogPrint(category, ...) \
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do { \
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if (LogAcceptCategory((category))) { \
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LogPrintf(__VA_ARGS__); \
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} \
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#define LogPrint(category, ...) \
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do { \
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if (LogAcceptCategory((category))) { \
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LogPrintLevel_(category, BCLog::Level::None, __VA_ARGS__); \
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} \
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} while (0)
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#define LogPrintLevel(level, category, ...) \
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do { \
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if (LogAcceptCategory((category))) { \
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LogPrintLevel_(category, level, __VA_ARGS__); \
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} \
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} while (0)
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#endif // BITCOIN_LOGGING_H
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24
src/net.cpp
24
src/net.cpp
@ -430,7 +430,7 @@ static CAddress GetBindAddress(SOCKET sock)
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if (!getsockname(sock, (struct sockaddr*)&sockaddr_bind, &sockaddr_bind_len)) {
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addr_bind.SetSockAddr((const struct sockaddr*)&sockaddr_bind);
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} else {
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LogPrint(BCLog::NET, "Warning: getsockname failed\n");
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LogPrintLevel(BCLog::Level::Warning, BCLog::NET, "getsockname failed\n");
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}
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}
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return addr_bind;
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@ -454,9 +454,9 @@ CNode* CConnman::ConnectNode(CAddress addrConnect, const char *pszDest, bool fCo
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}
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/// debug print
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LogPrint(BCLog::NET, "trying connection %s lastseen=%.1fhrs\n",
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pszDest ? pszDest : addrConnect.ToString(),
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pszDest ? 0.0 : (double)(GetAdjustedTime() - addrConnect.nTime)/3600.0);
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LogPrintLevel(BCLog::Level::Debug, BCLog::NET, "trying connection %s lastseen=%.1fhrs\n",
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pszDest ? pszDest : addrConnect.ToString(),
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pszDest ? 0.0 : (double)(GetAdjustedTime() - addrConnect.nTime) / 3600.0);
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// Resolve
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const uint16_t default_port{pszDest != nullptr ? Params().GetDefaultPort(pszDest) :
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@ -1140,7 +1140,7 @@ void CConnman::AcceptConnection(const ListenSocket& hListenSocket) {
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}
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if (!addr.SetSockAddr((const struct sockaddr*)&sockaddr)) {
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LogPrintf("Warning: Unknown socket family\n");
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LogPrintLevel(BCLog::Level::Warning, BCLog::NET, "Unknown socket family\n");
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} else {
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addr = CAddress{MaybeFlipIPv6toCJDNS(addr), NODE_NONE};
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}
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@ -2397,15 +2397,15 @@ bool CConnman::BindListenPort(const CService& addrBind, bilingual_str& strError,
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socklen_t len = sizeof(sockaddr);
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if (!addrBind.GetSockAddr((struct sockaddr*)&sockaddr, &len))
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{
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strError = strprintf(Untranslated("Error: Bind address family for %s not supported"), addrBind.ToString());
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LogPrintf("%s\n", strError.original);
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strError = strprintf(Untranslated("Bind address family for %s not supported"), addrBind.ToString());
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LogPrintLevel(BCLog::Level::Error, BCLog::NET, "%s\n", strError.original);
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return false;
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}
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std::unique_ptr<Sock> sock = CreateSock(addrBind);
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if (!sock) {
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strError = strprintf(Untranslated("Error: Couldn't open socket for incoming connections (socket returned error %s)"), NetworkErrorString(WSAGetLastError()));
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LogPrintf("%s\n", strError.original);
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strError = strprintf(Untranslated("Couldn't open socket for incoming connections (socket returned error %s)"), NetworkErrorString(WSAGetLastError()));
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LogPrintLevel(BCLog::Level::Error, BCLog::NET, "%s\n", strError.original);
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return false;
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}
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@ -2441,7 +2441,7 @@ bool CConnman::BindListenPort(const CService& addrBind, bilingual_str& strError,
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strError = strprintf(_("Unable to bind to %s on this computer. %s is probably already running."), addrBind.ToString(), PACKAGE_NAME);
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else
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strError = strprintf(_("Unable to bind to %s on this computer (bind returned error %s)"), addrBind.ToString(), NetworkErrorString(nErr));
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LogPrintf("%s\n", strError.original);
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LogPrintLevel(BCLog::Level::Error, BCLog::NET, "%s\n", strError.original);
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return false;
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}
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LogPrintf("Bound to %s\n", addrBind.ToString());
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@ -2449,8 +2449,8 @@ bool CConnman::BindListenPort(const CService& addrBind, bilingual_str& strError,
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// Listen for incoming connections
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if (listen(sock->Get(), SOMAXCONN) == SOCKET_ERROR)
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{
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strError = strprintf(_("Error: Listening for incoming connections failed (listen returned error %s)"), NetworkErrorString(WSAGetLastError()));
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LogPrintf("%s\n", strError.original);
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strError = strprintf(_("Listening for incoming connections failed (listen returned error %s)"), NetworkErrorString(WSAGetLastError()));
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LogPrintLevel(BCLog::Level::Error, BCLog::NET, "%s\n", strError.original);
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return false;
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}
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@ -5,13 +5,55 @@
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#include <logging.h>
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#include <logging/timer.h>
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#include <test/util/setup_common.h>
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#include <util/string.h>
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#include <chrono>
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#include <fstream>
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#include <iostream>
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#include <utility>
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#include <vector>
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#include <boost/test/unit_test.hpp>
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BOOST_FIXTURE_TEST_SUITE(logging_tests, BasicTestingSetup)
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struct LogSetup : public BasicTestingSetup {
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fs::path prev_log_path;
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fs::path tmp_log_path;
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bool prev_reopen_file;
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bool prev_print_to_file;
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bool prev_log_timestamps;
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bool prev_log_threadnames;
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bool prev_log_sourcelocations;
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LogSetup() : prev_log_path{LogInstance().m_file_path},
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tmp_log_path{m_args.GetDataDirBase() / "tmp_debug.log"},
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prev_reopen_file{LogInstance().m_reopen_file},
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prev_print_to_file{LogInstance().m_print_to_file},
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prev_log_timestamps{LogInstance().m_log_timestamps},
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prev_log_threadnames{LogInstance().m_log_threadnames},
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prev_log_sourcelocations{LogInstance().m_log_sourcelocations}
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{
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LogInstance().m_file_path = tmp_log_path;
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LogInstance().m_reopen_file = true;
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LogInstance().m_print_to_file = true;
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LogInstance().m_log_timestamps = false;
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LogInstance().m_log_threadnames = false;
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LogInstance().m_log_sourcelocations = true;
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}
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~LogSetup()
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{
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LogInstance().m_file_path = prev_log_path;
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LogPrintf("Sentinel log to reopen log file\n");
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LogInstance().m_print_to_file = prev_print_to_file;
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LogInstance().m_reopen_file = prev_reopen_file;
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LogInstance().m_log_timestamps = prev_log_timestamps;
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LogInstance().m_log_threadnames = prev_log_threadnames;
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LogInstance().m_log_sourcelocations = prev_log_sourcelocations;
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}
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};
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BOOST_AUTO_TEST_CASE(logging_timer)
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{
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SetMockTime(1);
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@ -30,4 +72,82 @@ BOOST_AUTO_TEST_CASE(logging_timer)
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BOOST_CHECK_EQUAL(sec_timer.LogMsg("test secs"), "tests: test secs (1.00s)");
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}
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BOOST_FIXTURE_TEST_CASE(logging_LogPrintf_, LogSetup)
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{
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LogPrintf_("fn1", "src1", 1, BCLog::LogFlags::NET, BCLog::Level::Debug, "foo1: %s", "bar1\n");
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LogPrintf_("fn2", "src2", 2, BCLog::LogFlags::NET, BCLog::Level::None, "foo2: %s", "bar2\n");
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LogPrintf_("fn3", "src3", 3, BCLog::LogFlags::NONE, BCLog::Level::Debug, "foo3: %s", "bar3\n");
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LogPrintf_("fn4", "src4", 4, BCLog::LogFlags::NONE, BCLog::Level::None, "foo4: %s", "bar4\n");
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std::ifstream file{tmp_log_path};
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std::vector<std::string> log_lines;
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for (std::string log; std::getline(file, log);) {
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log_lines.push_back(log);
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}
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std::vector<std::string> expected = {
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"[src1:1] [fn1] [net:debug] foo1: bar1",
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"[src2:2] [fn2] [net] foo2: bar2",
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"[src3:3] [fn3] [debug] foo3: bar3",
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"[src4:4] [fn4] foo4: bar4",
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};
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BOOST_CHECK_EQUAL_COLLECTIONS(log_lines.begin(), log_lines.end(), expected.begin(), expected.end());
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||||
}
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||||
|
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BOOST_FIXTURE_TEST_CASE(logging_LogPrintMacros, LogSetup)
|
||||
{
|
||||
// Prevent tests from failing when the line number of the following log calls changes.
|
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LogInstance().m_log_sourcelocations = false;
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|
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LogPrintf("foo5: %s\n", "bar5");
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LogPrint(BCLog::NET, "foo6: %s\n", "bar6");
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LogPrintLevel(BCLog::Level::Debug, BCLog::NET, "foo7: %s\n", "bar7");
|
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LogPrintLevel(BCLog::Level::Info, BCLog::NET, "foo8: %s\n", "bar8");
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LogPrintLevel(BCLog::Level::Warning, BCLog::NET, "foo9: %s\n", "bar9");
|
||||
LogPrintLevel(BCLog::Level::Error, BCLog::NET, "foo10: %s\n", "bar10");
|
||||
std::ifstream file{tmp_log_path};
|
||||
std::vector<std::string> log_lines;
|
||||
for (std::string log; std::getline(file, log);) {
|
||||
log_lines.push_back(log);
|
||||
}
|
||||
std::vector<std::string> expected = {
|
||||
"foo5: bar5",
|
||||
"[net] foo6: bar6",
|
||||
"[net:debug] foo7: bar7",
|
||||
"[net:info] foo8: bar8",
|
||||
"[net:warning] foo9: bar9",
|
||||
"[net:error] foo10: bar10"};
|
||||
BOOST_CHECK_EQUAL_COLLECTIONS(log_lines.begin(), log_lines.end(), expected.begin(), expected.end());
|
||||
}
|
||||
|
||||
BOOST_FIXTURE_TEST_CASE(logging_LogPrintMacros_CategoryName, LogSetup)
|
||||
{
|
||||
// Prevent tests from failing when the line number of the following log calls changes.
|
||||
LogInstance().m_log_sourcelocations = false;
|
||||
LogInstance().EnableCategory(BCLog::LogFlags::ALL);
|
||||
const auto concated_categery_names = LogInstance().LogCategoriesString();
|
||||
std::vector<std::pair<BCLog::LogFlags, std::string>> expected_category_names;
|
||||
const auto category_names = SplitString(concated_categery_names, ',');
|
||||
for (const auto& category_name : category_names) {
|
||||
BCLog::LogFlags category = BCLog::NONE;
|
||||
const auto trimmed_category_name = TrimString(category_name);
|
||||
BOOST_TEST(GetLogCategory(category, trimmed_category_name));
|
||||
expected_category_names.emplace_back(category, trimmed_category_name);
|
||||
}
|
||||
|
||||
std::vector<std::string> expected;
|
||||
for (const auto& [category, name] : expected_category_names) {
|
||||
LogPrint(category, "foo: %s\n", "bar");
|
||||
std::string expected_log = "[";
|
||||
expected_log += name;
|
||||
expected_log += "] foo: bar";
|
||||
expected.push_back(expected_log);
|
||||
}
|
||||
|
||||
std::ifstream file{tmp_log_path};
|
||||
std::vector<std::string> log_lines;
|
||||
for (std::string log; std::getline(file, log);) {
|
||||
log_lines.push_back(log);
|
||||
}
|
||||
BOOST_CHECK_EQUAL_COLLECTIONS(log_lines.begin(), log_lines.end(), expected.begin(), expected.end());
|
||||
}
|
||||
|
||||
BOOST_AUTO_TEST_SUITE_END()
|
||||
|
||||
Loading…
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Reference in New Issue
Block a user